hole drilling bit

 

LEANOMS Group is the leading global productivity partner, integrating professional R&D, manufacturing, market and service system, located in Xiamen, China. As the leading manufacturer and servicer, we have professionally supplied Rock Drilling Tools in a variety of applications for over 20 years. We do know drill! We also know your business!

 

Area of our factory: over 45,000SQM;
Numbers of our employees: over 800;
Numbers of our equipment &facilities: Over 400 sets
Delivery deadline: 4 weeks for conventional model drilling tools.

 

We produce rock drilling tools for mining, tunneling, construction, and rock drilling related industries.

For more than two decades, LEANOMS has been striving to provide customers reliable rock drilling consumables to consistently save their total drill cost.

LEANOMS mainly produces rock drilling tools for mining, construction and related industries. Since its foundation in 1997, LEANOMS has been striving to provide customers with fast, stable and economical solutions for rock drilling, and effectively help them reduce rock drilling cost. Now LEANOMS has been a specialized manufacturer of rock drilling tools with integration of R&D, production, related products suppling and solution consultancy.

With constant efforts for more than 20 years, not only does LEANOMS own its own factories and laboratory but also has established strategic partnership with a number of outstanding raw material vendors. We can offer customers custom-made services solution based upon the full understanding of their specific requirements, and a wide range of actual performance tests of our products under the rigorous control on production quality and supplying system.

 

 

A Hole Drilling Bit, also known as a drill bit, is a cutting tool used in various applications to create holes or cavities in different materials, such as metal, wood, plastic, concrete, and more. Drill bits are commonly used in construction, woodworking, metalworking, and various DIY projects. They come in a wide range of sizes, shapes, and materials, each designed for specific tasks and materials.

LEANOMS offers one of the most complete lines of Hole Drilling Bit, drills and downhole bits ranging from 3.5” – 48” (89mm – 1219mm) which are designed for peak performance in all rock drilling applications including but not limited to; foundation & geotechnical drilling, blasthole drilling in quarries & mines, waterwell & geothermal boreholes, oil & gas underbalanced drilling, horizontal directional drilling, and utility transmission & distribution rock sockets.

Hole Drilling Bit is a type of drilling tool used in various industries, primarily in mining, construction, and oil and gas exploration. It is also known as a DTH hammer bit. DTH drilling is a method of drilling boreholes or wells where a pneumatic or hydraulic hammer attached to the bottom of the drill string strikes the DTH bit, which is responsible for breaking rock or other subsurface materials.

 

 

 

Hole Drilling Bit is a critical component of a drilling system used in various industries, including mining, construction, and geothermal drilling. Hole Drilling Bit is a method where a hammer-like mechanism strikes the drill bit to break rock or other materials. Here's an overview of how a Hole Drilling Bit operates:

Drilling Rig Setup: DTH drilling typically involves a drilling rig equipped with a compressor, drill pipe, DTH hammer, and the DTH bit. The compressor generates high-pressure air, which is essential for DTH drilling.

High-Pressure Air Supply: Compressed air is fed into the drill string, which consists of multiple sections of drill pipe connected end-to-end. The air pressure can range from 100 to over 350 psi (pounds per square inch), depending on the specific drilling requirements.

DTH Hammer: The DTH hammer is attached to the end of the drill string and contains a piston and valve system. This hammer is designed to harness the high-pressure air from the compressor and convert it into a series of rapid, powerful impacts.

DTH Bit Attachment: The DTH bit is connected to the bottom of the DTH hammer. It's the cutting tool that comes into direct contact with the rock or other drilling material. DTH bits are available in various designs, each suited for different geological conditions.

Drilling Operation:

a. Impact Energy Transfer: As compressed air is forced down the drill string, it enters the DTH hammer, where it rapidly expands. This expansion causes the piston inside the hammer to strike the top of the hammer's inner valve.

b. Impact and Rotation: The impact energy generated by the piston strike is transferred to the DTH bit. This impact, combined with the rotation of the entire drill string, causes the DTH bit to penetrate the rock or material.

c. Cutting Action: The DTH bit's design allows it to effectively break or cut the drilling material. The rotation helps distribute wear evenly across the bit's cutting surfaces.

d. Cuttings Removal: Simultaneously with drilling, the compressed air serves to blow the cuttings and debris out of the borehole, up the annular space between the drill pipe and the borehole wall.

Advancement and Depth: As the drilling operation continues, the drill string and DTH bit penetrate deeper into the earth. The hammering action and rotation allow for efficient drilling progress.

Monitoring and Adjustments: Operators monitor drilling parameters such as air pressure, rotation speed, and penetration rate to optimize the drilling process and ensure the DTH bit's longevity.

Bit Replacement: DTH bits wear out over time due to the abrasive nature of drilling. When a bit becomes too worn, it needs to be replaced to maintain drilling efficiency.